This controller is suitable for temperature control of the middle and low temperature cold storage; Two way sensor inputs:cabinet temperature sensor and defrost temperature sensor. It could measure,display,control temperature,with the function of temp. calibration,forced defrost,over temp. alarm and sensor failure alarm,one key recovery of factory default value,parameters preset and one key recovery; It adopts touch key design with the key lock function; Three way control output:Refrigeration,defrost and fan., Weight: 0.52359787225 Pounds, Manufacturer: Awwertse